Windward Passage
Multifamily Housing in Honolulu, HI · 322 Aoloa St, Kailua
At a glance
Windward Passage is a 225,000-square-foot multifamily housing building at 322 Aoloa St, Kailua in Honolulu, Hawaii, built in 1979. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 20.0 kBtu/ft² and 931 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 20.0 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 931 tCO₂e |
| GHG intensity | — |
| Electricity | 1,284,096 kWh |
| Water use | 8,675 kgal |
| Gross floor area | 225,000 sq ft |
| Source record | honolulu:04QFJ3076465997:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 20.0 kBtu/ft² | 931 tCO₂e | |
| 2023 | 100 | 19.8 kBtu/ft² | 988 tCO₂e |
Compliance context
Ordinance 22-17 (City & County of Honolulu)
Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 322 Aoloa St, Kailua
- City
- Honolulu
- State
- Hawaii
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in Honolulu · biggest emitters
How does Windward Passage compare with other multifamily housing buildings in Honolulu?
The latest disclosures cover 378 multifamily housing buildings in Honolulu, out of 799 buildings citywide. Its site EUI of 20.0 kBtu/ft² is about 29% below the average of 28.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 225,000 sq ft, it is about 41% above the average floor area of 159,294 sq ft for those buildings. Its 1979 construction date is close to the group's average year built (1979). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has Windward Passage's energy performance changed over time?
BuildingCensus holds 2 Honolulu disclosures for Windward Passage, covering report years 2023, 2025. Site EUI moved from 19.8 kBtu/ft² (2023) to 20.0 kBtu/ft² (2025), an 1% increase. Reported emissions went from 988 tCO₂e to 931 tCO₂e over the same span (down 6%).
What does a site EUI of 20.0 kBtu/ft² mean?
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Windward Passage's 20.0 kBtu/ft² across 225,000 sq ft works out to about 4.5 billion Btu (1,319 MWh-equivalent) in 2025. The disclosure also reports 1,284,096 kWh of electricity and 8,675 thousand gallons of water for the year.
Which law requires Windward Passage to report its energy use?
Windward Passage reports under Ordinance 22-17 (City & County of Honolulu), the legal basis of Honolulu's Better Buildings Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record honolulu:04QFJ3076465997:2025). Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
More multifamily housing buildings in Honolulu
- 2121 Ala Wai· 220,500 sq ft · EUI 16.9 kBtu/ft²
- Mount Terrace· 220,000 sq ft · EUI 28.3 kBtu/ft²
- Pearlridge Gardens & Tower· 216,804 sq ft · score 99 (A)
- Country Club Village Phase 2 - Building 5· 214,390 sq ft · EUI 30.6 kBtu/ft²
- Princess Leilani· 212,300 sq ft · score 100 (A)
- Plaza Hawaii Kai· 210,577 sq ft · EUI 15.5 kBtu/ft²
- Multifamily Housing buildings in Honolulu· 378 benchmarked
- All Honolulu benchmarked buildings· Ordinance 22-17 (City & County of Honolulu)
- Most efficient large buildings in Honolulu
- Least efficient large buildings in Honolulu
- Biggest emitters in Honolulu
Frequently asked questions
What is Windward Passage's energy grade?
Windward Passage did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 20.0 kBtu/ft².
How much energy does Windward Passage use?
Its 2025 site energy-use intensity was 20.0 kBtu/ft² across 225,000 sq ft, including 1,284,096 kWh of electricity.
What are Windward Passage's carbon emissions?
Windward Passage reported 931 tCO₂e of greenhouse-gas emissions for 2025.
Where is Windward Passage?
Windward Passage is at 322 Aoloa St, Kailua, in Honolulu, Hawaii.
How big is Windward Passage and when was it built?
Windward Passage has 225,000 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1979 as its year built. It is classed as multifamily housing.
Is Windward Passage covered by Ordinance 22-17 (City & County of Honolulu)?
Yes — it appears in the 2025 Better Buildings Benchmarking disclosure, which lists the buildings reporting under Ordinance 22-17 (City & County of Honolulu).
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About this data
Source: Better Buildings Benchmarking (Ordinance 22-17 (City & County of Honolulu)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Windward Passage, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/windward-passage-11a0c148 (data as of July 9, 2026).